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authorSteve French <sfrench@us.ibm.com>2007-07-18 20:38:57 -0400
committerSteve French <sfrench@us.ibm.com>2007-07-18 20:38:57 -0400
commit1ff8392c32a2645d2665ca779ecb91bb29361c13 (patch)
tree860b95e9a499ade4060848740fc6ce1fbb4e4e8d /include/xen/interface/features.h
parent70b315b0dd3879cb3ab8aadffb14f10b2d19b9c3 (diff)
parent5bae7ac9feba925fd0099057f6b23d7be80b7b41 (diff)
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: fs/cifs/export.c
Diffstat (limited to 'include/xen/interface/features.h')
-rw-r--r--include/xen/interface/features.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h
new file mode 100644
index 000000000000..d73228d16488
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+++ b/include/xen/interface/features.h
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1/******************************************************************************
2 * features.h
3 *
4 * Feature flags, reported by XENVER_get_features.
5 *
6 * Copyright (c) 2006, Keir Fraser <keir@xensource.com>
7 */
8
9#ifndef __XEN_PUBLIC_FEATURES_H__
10#define __XEN_PUBLIC_FEATURES_H__
11
12/*
13 * If set, the guest does not need to write-protect its pagetables, and can
14 * update them via direct writes.
15 */
16#define XENFEAT_writable_page_tables 0
17
18/*
19 * If set, the guest does not need to write-protect its segment descriptor
20 * tables, and can update them via direct writes.
21 */
22#define XENFEAT_writable_descriptor_tables 1
23
24/*
25 * If set, translation between the guest's 'pseudo-physical' address space
26 * and the host's machine address space are handled by the hypervisor. In this
27 * mode the guest does not need to perform phys-to/from-machine translations
28 * when performing page table operations.
29 */
30#define XENFEAT_auto_translated_physmap 2
31
32/* If set, the guest is running in supervisor mode (e.g., x86 ring 0). */
33#define XENFEAT_supervisor_mode_kernel 3
34
35/*
36 * If set, the guest does not need to allocate x86 PAE page directories
37 * below 4GB. This flag is usually implied by auto_translated_physmap.
38 */
39#define XENFEAT_pae_pgdir_above_4gb 4
40
41#define XENFEAT_NR_SUBMAPS 1
42
43#endif /* __XEN_PUBLIC_FEATURES_H__ */